Sueur, AP.Le
Covendish Publishing Limited, 1995
Buku Teks
Leyland, Peter
Blackstone Press limited, 1999
Buku Teks
Thompson, Brian
Balckstone Press Limited, s.a.
Buku Teks
Schwartz, Bernard, author
Little, Brown & Co., 1977
Buku Teks
Schwartz, Bernard, author
Little, Brown & Co., 1988
Buku Teks